Flash finishes his task of putting out the fires in Arboria, only to find out from Zarkov. But, another ship carrying Capt. Torch, Sonja and a crew fire two bombs that land near Barin's Palace. These fires are quenched as well. Ming orders Torch and Sonja to enter the palace and find out what secret plans are being formed by Flash, Zarkov and Barin. Meanwhile Zarkov has come up with a device that will neutralize Ming's weapons and self-destruct. However, the weapon will release poison gases as it destroys itself and so it is decided to fire it fron "the Land of the Dead", part of Mongo. Captain Torch and Sonja learn about this, escape back to their ship and warn Ming of these plans. Ming then sends them with a giant bomb with a timing device, intended to blow up Zarkov's device and they are able to land and bury it out of sight, before they are captured by the hitherto unknown Rock Men. Flash, Dale, Zarkov, Barin and crew also land and go to set up their device.Flash, Dae, Zarkov and Roka are captured by the Rock Men. And, then the bomb explodes. What more can possibly happen to Flash and his friends. On to chapter 8 for the answer.

They used to show these on Sunday afternoons on TV. They would bunch 3 or 4 episodes. Its kinda funny as I look at all of the special effects we have today... this was the Star Wars of its time.